Calculate sums of cells instantly.

Latest Version

Version
1.0.3
Update
November 25, 2021
Size
149KiB
Developer
Category
Users
3,000+
Rating
4.36111 ★
Manifest Version
2
Web Store Status
Languages Support
English
See more
Permissions
ActiveTab
Http://*/*
Https://*/*
Storage
See more

SumThing Extension

SumThing allows you to quickly calculate the sum of any table cells on any web page!

Simply activate the plugin while on the web page and drag to select the cells you want to tally up! You can also select individual cells by holding CTRL and clicking on the different cells you want to add up!

SumThing works on all currency formats and takes into account negative sums and varying number formats.

Save yourself the time from copying and pasting tables into Excel or Google Docs to find out the sum!

Advanced features include: Average, Max, Min, and COUNTA!
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 2,"name": "SumThing","version": "1.0.3","version_name": "1.0.3","description": "Calculate sums of cells instantly.","icons": {"128": "/img/logo.png"},"browser_action": {"default_icon": "/img/logo_grey_16.png"},"background": {"scripts": ["/lib/jquery.min.js","/lib/webx.js","/lib/mixpanel.js","/js/background/background.js"],"persistent": true},"permissions": ["activeTab","http://*/*","https://*/*","storage"],"web_accessible_resources": [ "/*" ],"content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"}
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How to download and manually install SumThing extension for Chrome

Looking for a way to install SumThing extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install SumThing extensions manually, this article outlines two simple methods to effortlessly install SumThing extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download SumThing extension and manually install through Drag &Drop

If you ever need to manually install a SumThing extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the SumThing Extension by clicking the "Download CRX" button on the website.

Look for the SumThing extension you wish to install. Go to the website and download the SumThing extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for SumThing extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the SumThing extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download SumThing extension for Chrome and install in Developer Mode

This is another method to install SumThing extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the SumThing extension file

Select and download the SumThing extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the SumThing extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your SumThing extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the SumThing extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install SumThing extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Ljubisa Raimovic (ID: 000000f522be07e7) Voted 4 ★ - Updated 10/31/2023 why you not make it like when we want to crop part of picture, where are numbers for calculating, it can be faster for us users... and one more thing... please add time calculations... 12:35 + 1:26 = 14:01 not 1361

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Manon C (ID: 0000001568ddec34) Voted 3 ★ - Updated 10/28/2023 It seems that the "tab" of the extension is not adapted for all website. I am using an internal website that reduce sumthing "tab" somehow and makes it impossible for me to see the numbers. Could be nice to be able to replace and extend the tab.

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Paul Huntsberry (ID: 0000006378df3b72) Voted 5 ★ - Updated 07/20/2023 Great extension. I would love to be able to click on SUM to copy the SUM to the clipboard to paste into another application.

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Sinan Eldem (ID: 00000073abe557ab) Voted 5 ★ - Updated 06/02/2023 Please add thousands and decimal seperators: 15713993 -> 15.713.993,00

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abdelkrim zizouan (ID: 0000002ef138c5cf) Voted 4 ★ - Updated 02/23/2023 i found it very useful